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query.go
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query.go
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package rest
import (
"fmt"
"net/http"
"github.com/gorilla/mux"
"github.com/cosmos/cosmos-sdk/client"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/rest"
"github.com/cosmos/cosmos-sdk/x/slashing/types"
)
func registerQueryRoutes(clientCtx client.Context, r *mux.Router) {
r.HandleFunc("/slashing/validators/{validatorPubKey}/signing_info", signingInfoHandlerFn(clientCtx)).Methods("GET")
r.HandleFunc("/slashing/signing_infos", signingInfoHandlerListFn(clientCtx)).Methods("GET")
r.HandleFunc("/slashing/parameters", queryParamsHandlerFn(clientCtx)).Methods("GET")
}
// http request handler to query signing info
func signingInfoHandlerFn(clientCtx client.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
pkStr := vars["validatorPubKey"]
var pk cryptotypes.PubKey
err := clientCtx.Codec.UnmarshalInterfaceJSON([]byte(pkStr), &pk)
if rest.CheckBadRequestError(w, err) {
return
}
clientCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, clientCtx, r)
if !ok {
return
}
params := types.QuerySigningInfoRequest{ConsAddress: sdk.ConsAddress(pk.Address()).String()}
bz, err := clientCtx.LegacyAmino.MarshalJSON(params)
if rest.CheckBadRequestError(w, err) {
return
}
route := fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QuerySigningInfo)
res, height, err := clientCtx.QueryWithData(route, bz)
if rest.CheckInternalServerError(w, err) {
return
}
clientCtx = clientCtx.WithHeight(height)
rest.PostProcessResponse(w, clientCtx, res)
}
}
// http request handler to query signing info
func signingInfoHandlerListFn(clientCtx client.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
_, page, limit, err := rest.ParseHTTPArgsWithLimit(r, 0)
if rest.CheckBadRequestError(w, err) {
return
}
clientCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, clientCtx, r)
if !ok {
return
}
params := types.NewQuerySigningInfosParams(page, limit)
bz, err := clientCtx.LegacyAmino.MarshalJSON(params)
if rest.CheckInternalServerError(w, err) {
return
}
route := fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QuerySigningInfos)
res, height, err := clientCtx.QueryWithData(route, bz)
if rest.CheckInternalServerError(w, err) {
return
}
clientCtx = clientCtx.WithHeight(height)
rest.PostProcessResponse(w, clientCtx, res)
}
}
func queryParamsHandlerFn(clientCtx client.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
clientCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, clientCtx, r)
if !ok {
return
}
route := fmt.Sprintf("custom/%s/parameters", types.QuerierRoute)
res, height, err := clientCtx.QueryWithData(route, nil)
if rest.CheckInternalServerError(w, err) {
return
}
clientCtx = clientCtx.WithHeight(height)
rest.PostProcessResponse(w, clientCtx, res)
}
}