mirror of
				https://github.com/0glabs/0g-chain.git
				synced 2025-11-04 10:37:26 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			175 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			175 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package rest
 | 
						|
 | 
						|
import (
 | 
						|
	"fmt"
 | 
						|
	"net/http"
 | 
						|
	"strings"
 | 
						|
 | 
						|
	"github.com/cosmos/cosmos-sdk/client"
 | 
						|
	sdk "github.com/cosmos/cosmos-sdk/types"
 | 
						|
	"github.com/cosmos/cosmos-sdk/types/rest"
 | 
						|
	"github.com/gorilla/mux"
 | 
						|
 | 
						|
	"github.com/kava-labs/kava/x/auction/types"
 | 
						|
)
 | 
						|
 | 
						|
const restAuctionID = "auction-id"
 | 
						|
 | 
						|
// define routes that get registered by the main application
 | 
						|
func registerQueryRoutes(cliCtx client.Context, r *mux.Router) {
 | 
						|
	r.HandleFunc(fmt.Sprintf("/%s/parameters", types.ModuleName), queryParamsHandlerFn(cliCtx)).Methods("GET")
 | 
						|
	r.HandleFunc(fmt.Sprintf("/%s/auctions/{%s}", types.ModuleName, restAuctionID), queryAuctionHandlerFn(cliCtx)).Methods("GET")
 | 
						|
	r.HandleFunc(fmt.Sprintf("/%s/auctions", types.ModuleName), queryAuctionsHandlerFn(cliCtx)).Methods("GET")
 | 
						|
}
 | 
						|
 | 
						|
func queryParamsHandlerFn(cliCtx client.Context) http.HandlerFunc {
 | 
						|
	return func(w http.ResponseWriter, r *http.Request) {
 | 
						|
		cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
 | 
						|
		if !ok {
 | 
						|
			return
 | 
						|
		}
 | 
						|
 | 
						|
		res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/%s", types.ModuleName, types.QueryGetParams), nil)
 | 
						|
		if err != nil {
 | 
						|
			rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
 | 
						|
			return
 | 
						|
		}
 | 
						|
 | 
						|
		cliCtx = cliCtx.WithHeight(height)
 | 
						|
		rest.PostProcessResponse(w, cliCtx, res)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func queryAuctionHandlerFn(cliCtx client.Context) 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.LegacyAmino.MarshalJSON(types.NewQueryAuctionParams(auctionID))
 | 
						|
		if err != nil {
 | 
						|
			rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
 | 
						|
			return
 | 
						|
		}
 | 
						|
 | 
						|
		// Query
 | 
						|
		res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/%s", types.ModuleName, types.QueryGetAuction), bz)
 | 
						|
		if err != nil {
 | 
						|
			rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
 | 
						|
			return
 | 
						|
		}
 | 
						|
 | 
						|
		// Write response
 | 
						|
		cliCtx = cliCtx.WithHeight(height)
 | 
						|
		rest.PostProcessResponse(w, cliCtx, res)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func queryAuctionsHandlerFn(cliCtx client.Context) http.HandlerFunc {
 | 
						|
	return func(w http.ResponseWriter, r *http.Request) {
 | 
						|
		_, page, limit, err := rest.ParseHTTPArgsWithLimit(r, 0)
 | 
						|
		if err != nil {
 | 
						|
			rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
 | 
						|
			return
 | 
						|
		}
 | 
						|
 | 
						|
		// Parse the query height
 | 
						|
		cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
 | 
						|
		if !ok {
 | 
						|
			return
 | 
						|
		}
 | 
						|
 | 
						|
		var auctionType string
 | 
						|
		var auctionOwner sdk.AccAddress
 | 
						|
		var auctionDenom string
 | 
						|
		var auctionPhase string
 | 
						|
 | 
						|
		if x := r.URL.Query().Get(RestType); len(x) != 0 {
 | 
						|
			auctionType = strings.ToLower(strings.TrimSpace(x))
 | 
						|
			if auctionType != types.CollateralAuctionType &&
 | 
						|
				auctionType != types.SurplusAuctionType &&
 | 
						|
				auctionType != types.DebtAuctionType {
 | 
						|
				rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("invalid auction type %s", x))
 | 
						|
				return
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if x := r.URL.Query().Get(RestOwner); len(x) != 0 {
 | 
						|
			if auctionType != types.CollateralAuctionType {
 | 
						|
				rest.WriteErrorResponse(w, http.StatusBadRequest, "cannot apply owner flag to non-collateral auction type")
 | 
						|
			}
 | 
						|
			auctionOwnerStr := strings.ToLower(strings.TrimSpace(x))
 | 
						|
			auctionOwner, err = sdk.AccAddressFromBech32(auctionOwnerStr)
 | 
						|
			if err != nil {
 | 
						|
				rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("cannot parse address from auction owner %s", auctionOwnerStr))
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if x := r.URL.Query().Get(RestDenom); len(x) != 0 {
 | 
						|
			auctionDenom = strings.TrimSpace(x)
 | 
						|
			err := sdk.ValidateDenom(auctionDenom)
 | 
						|
			if err != nil {
 | 
						|
				rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
 | 
						|
				return
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if x := r.URL.Query().Get(RestPhase); len(x) != 0 {
 | 
						|
			auctionPhase = strings.ToLower(strings.TrimSpace(x))
 | 
						|
			if auctionType != types.CollateralAuctionType && len(auctionType) > 0 {
 | 
						|
				rest.WriteErrorResponse(w, http.StatusBadRequest, "cannot apply phase flag to non-collateral auction type")
 | 
						|
				return
 | 
						|
			}
 | 
						|
			if auctionPhase != types.ForwardAuctionPhase && auctionPhase != types.ReverseAuctionPhase {
 | 
						|
				rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("invalid auction phase %s", x))
 | 
						|
				return
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		params := types.NewQueryAllAuctionParams(page, limit, auctionType, auctionDenom, auctionPhase, auctionOwner)
 | 
						|
		bz, err := cliCtx.LegacyAmino.MarshalJSON(params)
 | 
						|
		if err != nil {
 | 
						|
			rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
 | 
						|
			return
 | 
						|
		}
 | 
						|
 | 
						|
		// Query
 | 
						|
		res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/%s", types.ModuleName, types.QueryGetAuctions), bz)
 | 
						|
		if err != nil {
 | 
						|
			rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
 | 
						|
			return
 | 
						|
		}
 | 
						|
 | 
						|
		// Write response
 | 
						|
		cliCtx = cliCtx.WithHeight(height)
 | 
						|
 | 
						|
		// Unmarshal to Auction and remarshal as AuctionWithPhase
 | 
						|
		var auctions []types.Auction
 | 
						|
		err = cliCtx.LegacyAmino.UnmarshalJSON(res, &auctions)
 | 
						|
		if err != nil {
 | 
						|
			rest.WriteErrorResponse(w, http.StatusNotFound, err.Error())
 | 
						|
			return
 | 
						|
		}
 | 
						|
 | 
						|
		auctionsWithPhase := []types.AuctionWithPhase{} // using empty slice so json returns [] instead of null when there are no auctions
 | 
						|
		for _, a := range auctions {
 | 
						|
			auctionsWithPhase = append(auctionsWithPhase, types.NewAuctionWithPhase(a))
 | 
						|
		}
 | 
						|
		rest.PostProcessResponse(w, cliCtx, cliCtx.LegacyAmino.MustMarshalJSON(auctionsWithPhase))
 | 
						|
	}
 | 
						|
}
 |