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query.go
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/
query.go
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package rest
import (
"fmt"
"net/http"
sdk "github.com/evoblockchain/evochain/libs/cosmos-sdk/types"
"github.com/evoblockchain/evochain/x/common"
"github.com/gorilla/mux"
"github.com/evoblockchain/evochain/libs/cosmos-sdk/client/context"
"github.com/evoblockchain/evochain/libs/cosmos-sdk/types/rest"
"github.com/evoblockchain/evochain/x/farm/types"
)
func registerQueryRoutes(cliCtx context.CLIContext, r *mux.Router) {
// get the current state of the all farm pools
r.HandleFunc(
"/farm/pools",
queryPoolsHandlerFn(cliCtx),
).Methods("GET")
// get a single pool info by the farm pool's name
r.HandleFunc(
"/farm/pool/{poolName}",
queryPoolHandlerFn(cliCtx),
).Methods("GET")
// get the current earnings of an account in a farm pool
r.HandleFunc(
"/farm/earnings/{poolName}/{accAddr}",
queryEarningsHandlerFn(cliCtx),
).Methods("GET")
// get the white list info
r.HandleFunc(
"/farm/whitelist",
queryWhitelistHandlerFn(cliCtx),
).Methods("GET")
// get the current farm parameter values
r.HandleFunc(
"/farm/parameters",
queryParamsHandlerFn(cliCtx),
).Methods("GET")
// get the names of all farm pools that the account has locked coins in
r.HandleFunc(
"/farm/account/{accAddr}",
queryAccountHandlerFn(cliCtx),
).Methods("GET")
}
func queryAccountHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
if !ok {
return
}
accAddr, err := sdk.AccAddressFromBech32(mux.Vars(r)["accAddr"])
if err != nil {
common.HandleErrorMsg(w, cliCtx, common.CodeCreateAddrFromBech32Failed, err.Error())
}
jsonBytes, err := cliCtx.Codec.MarshalJSON(types.NewQueryAccountParams(accAddr))
if err != nil {
common.HandleErrorResponseV2(w, http.StatusBadRequest, common.ErrorCodecFails)
return
}
route := fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryAccount)
res, height, err := cliCtx.QueryWithData(route, jsonBytes)
if err != nil {
common.HandleErrorResponseV2(w, http.StatusInternalServerError, common.ErrorABCIQueryFails)
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func queryEarningsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
varsMap := mux.Vars(r)
cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
if !ok {
return
}
accAddr, err := sdk.AccAddressFromBech32(varsMap["accAddr"])
if err != nil {
common.HandleErrorMsg(w, cliCtx, common.CodeCreateAddrFromBech32Failed, err.Error())
}
jsonBytes, err := cliCtx.Codec.MarshalJSON(types.NewQueryPoolAccountParams(varsMap["poolName"], accAddr))
if err != nil {
common.HandleErrorResponseV2(w, http.StatusBadRequest, common.ErrorCodecFails)
return
}
route := fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryEarnings)
res, height, err := cliCtx.QueryWithData(route, jsonBytes)
if err != nil {
common.HandleErrorResponseV2(w, http.StatusInternalServerError, common.ErrorABCIQueryFails)
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func queryPoolHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
poolName := mux.Vars(r)["poolName"]
cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
if !ok {
return
}
params := types.NewQueryPoolParams(poolName)
jsonBytes, err := cliCtx.Codec.MarshalJSON(params)
if err != nil {
common.HandleErrorResponseV2(w, http.StatusBadRequest, common.ErrorCodecFails)
return
}
route := fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryPool)
res, height, err := cliCtx.QueryWithData(route, jsonBytes)
if err != nil {
common.HandleErrorResponseV2(w, http.StatusInternalServerError, common.ErrorABCIQueryFails)
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func queryPoolsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
_, page, limit, err := rest.ParseHTTPArgsWithLimit(r, 0)
if err != nil {
common.HandleErrorResponseV2(w, http.StatusBadRequest, common.ErrorArgsWithLimit)
return
}
cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
if !ok {
return
}
params := types.NewQueryPoolsParams(page, limit)
jsonBytes, err := cliCtx.Codec.MarshalJSON(params)
if err != nil {
common.HandleErrorResponseV2(w, http.StatusBadRequest, common.ErrorCodecFails)
return
}
route := fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryPools)
res, height, err := cliCtx.QueryWithData(route, jsonBytes)
if err != nil {
common.HandleErrorResponseV2(w, http.StatusInternalServerError, common.ErrorABCIQueryFails)
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func queryWhitelistHandlerFn(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/%s", types.QuerierRoute, types.QueryWhitelist)
res, height, err := cliCtx.QueryWithData(route, nil)
if err != nil {
sdkErr := common.ParseSDKError(err.Error())
common.HandleErrorMsg(w, cliCtx, sdkErr.Code, sdkErr.Message)
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
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/%s", types.QuerierRoute, types.QueryParameters)
res, height, err := cliCtx.QueryWithData(route, nil)
if err != nil {
sdkErr := common.ParseSDKError(err.Error())
common.HandleErrorMsg(w, cliCtx, sdkErr.Code, sdkErr.Message)
return
}
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}