0g-chain/x/incentive/client/rest/query.go
Denali Marsh 92a2425668
Query rewards via incentive module (#781)
* query rewards types

* query rewards keeper

* query rewards cli/rest

* query rewards alias

* implement branched query

* mirror changes in rest querier

* clean up rest querier
2021-01-27 14:33:36 +01:00

147 lines
4.8 KiB
Go

package rest
import (
"fmt"
"net/http"
"strings"
"github.com/gorilla/mux"
"github.com/cosmos/cosmos-sdk/client/context"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/rest"
"github.com/kava-labs/kava/x/incentive/types"
)
func registerQueryRoutes(cliCtx context.CLIContext, r *mux.Router) {
r.HandleFunc(fmt.Sprintf("/%s/rewards", types.ModuleName), queryRewardsHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/%s/parameters", types.ModuleName), queryParamsHandlerFn(cliCtx)).Methods("GET")
}
func queryRewardsHandlerFn(cliCtx context.CLIContext) 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
}
cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
if !ok {
return
}
var owner sdk.AccAddress
if x := r.URL.Query().Get(types.RestClaimOwner); len(x) != 0 {
ownerStr := strings.ToLower(strings.TrimSpace(x))
owner, err = sdk.AccAddressFromBech32(ownerStr)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("cannot parse address from claim owner %s", ownerStr))
return
}
}
var rewardType string
if x := r.URL.Query().Get(types.RestClaimType); len(x) != 0 {
rewardType = strings.ToLower(strings.TrimSpace(x))
}
switch strings.ToLower(rewardType) {
case "hard":
params := types.NewQueryHardRewardsParams(page, limit, owner)
executeHardRewardsQuery(w, cliCtx, params)
case "usdx_minting":
params := types.NewQueryUSDXMintingRewardsParams(page, limit, owner)
executeUSDXMintingRewardsQuery(w, cliCtx, params)
default:
hardParams := types.NewQueryHardRewardsParams(page, limit, owner)
usdxMintingParams := types.NewQueryUSDXMintingRewardsParams(page, limit, owner)
executeBothRewardQueries(w, cliCtx, hardParams, usdxMintingParams)
}
}
}
func queryParamsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
if !ok {
return
}
route := fmt.Sprintf("custom/%s/parameters", types.QuerierRoute)
res, height, err := cliCtx.QueryWithData(route, nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func executeHardRewardsQuery(w http.ResponseWriter, cliCtx context.CLIContext, params types.QueryHardRewardsParams) {
bz, err := cliCtx.Codec.MarshalJSON(params)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("failed to marshal query params: %s", err))
return
}
res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/incentive/%s", types.QueryGetHardRewards), bz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
func executeUSDXMintingRewardsQuery(w http.ResponseWriter, cliCtx context.CLIContext, params types.QueryUSDXMintingRewardsParams) {
bz, err := cliCtx.Codec.MarshalJSON(params)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("failed to marshal query params: %s", err))
return
}
res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/incentive/%s", types.QueryGetUSDXMintingRewards), bz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
func executeBothRewardQueries(w http.ResponseWriter, cliCtx context.CLIContext,
hardParams types.QueryHardRewardsParams, usdxMintingParams types.QueryUSDXMintingRewardsParams) {
hardBz, err := cliCtx.Codec.MarshalJSON(hardParams)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("failed to marshal query params: %s", err))
return
}
hardRes, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/incentive/%s", types.QueryGetHardRewards), hardBz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
usdxMintingBz, err := cliCtx.Codec.MarshalJSON(usdxMintingParams)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("failed to marshal query params: %s", err))
return
}
usdxMintingRes, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/incentive/%s", types.QueryGetUSDXMintingRewards), usdxMintingBz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, append(hardRes, usdxMintingRes...))
}