0g-chain/x/committee/client/rest/query.go
Ruaridh 73dc488239
Apply suggestions from code review
Co-Authored-By: Denali Marsh <denali@kava.io>
Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com>
2020-04-24 19:15:57 +01:00

277 lines
8.3 KiB
Go

package rest
import (
"errors"
"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/committee/client/common"
"github.com/kava-labs/kava/x/committee/types"
)
func registerQueryRoutes(cliCtx context.CLIContext, r *mux.Router) {
r.HandleFunc(fmt.Sprintf("/%s/committees", types.ModuleName), queryCommitteesHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/%s/committees/{%s}", types.ModuleName, RestCommitteeID), queryCommitteeHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/%s/committees/{%s}/proposals", types.ModuleName, RestCommitteeID), queryProposalsHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/%s/proposals/{%s}", types.ModuleName, RestProposalID), queryProposalHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/%s/proposals/{%s}/proposer", types.ModuleName, RestProposalID), queryProposerHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/%s/proposals/{%s}/tally", types.ModuleName, RestProposalID), queryTallyOnProposalHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/%s/proposals/{%s}/votes", types.ModuleName, RestProposalID), queryVotesOnProposalHandlerFn(cliCtx)).Methods("GET")
}
// ------------------------------------------
// Committees
// ------------------------------------------
func queryCommitteesHandlerFn(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
}
// Query
res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/%s", types.ModuleName, types.QueryCommittees), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
// Write response
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func queryCommitteeHandlerFn(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[RestCommitteeID]) == 0 {
err := errors.New("committeeID required but not specified")
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
committeeID, ok := rest.ParseUint64OrReturnBadRequest(w, vars[RestCommitteeID])
if !ok {
return
}
bz, err := cliCtx.Codec.MarshalJSON(types.NewQueryCommitteeParams(committeeID))
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.QueryCommittee), bz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
// Write response
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
// ------------------------------------------
// Proposals
// ------------------------------------------
func queryProposalsHandlerFn(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[RestCommitteeID]) == 0 {
err := errors.New("committeeID required but not specified")
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
committeeID, ok := rest.ParseUint64OrReturnBadRequest(w, vars[RestCommitteeID])
if !ok {
return
}
bz, err := cliCtx.Codec.MarshalJSON(types.NewQueryCommitteeParams(committeeID))
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.QueryProposals), bz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
// Write response
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func queryProposalHandlerFn(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[RestProposalID]) == 0 {
err := errors.New("proposalID required but not specified")
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
proposalID, ok := rest.ParseUint64OrReturnBadRequest(w, vars[RestProposalID])
if !ok {
return
}
bz, err := cliCtx.Codec.MarshalJSON(types.NewQueryProposalParams(proposalID))
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.QueryProposal), bz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
// Write response
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func queryProposerHandlerFn(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)
proposalID, ok := rest.ParseUint64OrReturnBadRequest(w, vars[RestProposalID])
if !ok {
return
}
// Query
res, err := common.QueryProposer(cliCtx, proposalID)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
// Write response
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
// ------------------------------------------
// Votes
// ------------------------------------------
func queryVotesOnProposalHandlerFn(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[RestProposalID]) == 0 {
err := errors.New(fmt.Sprintf("%s required but not specified", RestProposalID))
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
proposalID, ok := rest.ParseUint64OrReturnBadRequest(w, vars[RestProposalID])
if !ok {
return
}
bz, err := cliCtx.Codec.MarshalJSON(types.NewQueryProposalParams(proposalID))
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.QueryVotes), bz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
// Write response
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func queryTallyOnProposalHandlerFn(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[RestProposalID]) == 0 {
err := errors.New(fmt.Sprintf("%s required but not specified", RestProposalID))
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
proposalID, ok := rest.ParseUint64OrReturnBadRequest(w, vars[RestProposalID])
if !ok {
return
}
bz, err := cliCtx.Codec.MarshalJSON(types.NewQueryProposalParams(proposalID))
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.QueryTally), bz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
// Write response
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}