174 lines
5.8 KiB
Go
174 lines
5.8 KiB
Go
package rest
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import (
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"fmt"
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"net/http"
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"strconv"
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"github.com/gorilla/mux"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/client/flags"
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"github.com/cosmos/cosmos-sdk/types/rest"
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"github.com/cosmos/cosmos-sdk/x/ibc/02-client/client/utils"
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)
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func registerQueryRoutes(clientCtx client.Context, r *mux.Router) {
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r.HandleFunc("/ibc/clients", queryAllClientStatesFn(clientCtx)).Methods("GET")
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r.HandleFunc(fmt.Sprintf("/ibc/clients/{%s}/client-state", RestClientID), queryClientStateHandlerFn(clientCtx)).Methods("GET")
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r.HandleFunc(fmt.Sprintf("/ibc/clients/{%s}/consensus-state", RestClientID), queryConsensusStateHandlerFn(clientCtx)).Methods("GET")
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r.HandleFunc("/ibc/header", queryHeaderHandlerFn(clientCtx)).Methods("GET")
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r.HandleFunc("/ibc/node-state", queryNodeConsensusStateHandlerFn(clientCtx)).Methods("GET")
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}
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// queryAllClientStatesFn queries all available light clients
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//
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// @Summary Query client states
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// @Tags IBC
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// @Produce json
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// @Param page query int false "The page number to query" default(1)
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// @Param limit query int false "The number of results per page" default(100)
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// @Success 200 {object} QueryClientState "OK"
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// @Failure 400 {object} rest.ErrorResponse "Bad Request"
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// @Failure 500 {object} rest.ErrorResponse "Internal Server Error"
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// @Router /ibc/clients [get]
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func queryAllClientStatesFn(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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_, page, limit, err := rest.ParseHTTPArgsWithLimit(r, 0)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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clientCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, clientCtx, r)
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if !ok {
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return
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}
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clients, height, err := utils.QueryAllClientStates(clientCtx, page, limit)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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clientCtx = clientCtx.WithHeight(height)
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rest.PostProcessResponse(w, clientCtx, clients)
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}
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}
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// queryClientStateHandlerFn implements a client state querying route
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//
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// @Summary Query client state
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// @Tags IBC
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// @Produce json
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// @Param client-id path string true "Client ID"
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// @Param prove query boolean false "Proof of result"
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// @Success 200 {object} QueryClientState "OK"
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// @Failure 400 {object} rest.ErrorResponse "Invalid client id"
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// @Failure 500 {object} rest.ErrorResponse "Internal Server Error"
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// @Router /ibc/clients/{client-id}/client-state [get]
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func queryClientStateHandlerFn(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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clientID := vars[RestClientID]
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prove := rest.ParseQueryParamBool(r, flags.FlagProve)
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clientCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, clientCtx, r)
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if !ok {
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return
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}
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clientStateRes, err := utils.QueryClientState(clientCtx, clientID, prove)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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clientCtx = clientCtx.WithHeight(int64(clientStateRes.ProofHeight))
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rest.PostProcessResponse(w, clientCtx, clientStateRes)
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}
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}
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// queryConsensusStateHandlerFn implements a consensus state querying route
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//
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// @Summary Query cliet consensus-state
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// @Tags IBC
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// @Produce json
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// @Param client-id path string true "Client ID"
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// @Param height path number true "Height"
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// @Param prove query boolean false "Proof of result"
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// @Success 200 {object} QueryConsensusState "OK"
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// @Failure 400 {object} rest.ErrorResponse "Invalid client id"
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// @Failure 500 {object} rest.ErrorResponse "Internal Server Error"
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// @Router /ibc/clients/{client-id}/consensus-state [get]
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func queryConsensusStateHandlerFn(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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clientID := vars[RestClientID]
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height, err := strconv.ParseUint(vars[RestRootHeight], 10, 64)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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prove := rest.ParseQueryParamBool(r, flags.FlagProve)
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clientCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, clientCtx, r)
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if !ok {
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return
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}
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csRes, err := utils.QueryConsensusState(clientCtx, clientID, height, prove)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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clientCtx = clientCtx.WithHeight(int64(csRes.ProofHeight))
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rest.PostProcessResponse(w, clientCtx, csRes)
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}
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}
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// queryHeaderHandlerFn implements a header querying route
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//
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// @Summary Query header
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// @Tags IBC
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// @Produce json
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// @Success 200 {object} QueryHeader "OK"
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// @Failure 500 {object} rest.ErrorResponse "Internal Server Error"
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// @Router /ibc/header [get]
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func queryHeaderHandlerFn(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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header, height, err := utils.QueryTendermintHeader(clientCtx)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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res := clientCtx.Codec.MustMarshalJSON(header)
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clientCtx = clientCtx.WithHeight(height)
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rest.PostProcessResponse(w, clientCtx, res)
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}
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}
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// queryNodeConsensusStateHandlerFn implements a node consensus state querying route
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//
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// @Summary Query node consensus-state
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// @Tags IBC
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// @Produce json
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// @Success 200 {object} QueryNodeConsensusState "OK"
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// @Failure 500 {object} rest.ErrorResponse "Internal Server Error"
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// @Router /ibc/node-state [get]
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func queryNodeConsensusStateHandlerFn(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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state, height, err := utils.QueryNodeConsensusState(clientCtx)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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}
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res := clientCtx.Codec.MustMarshalJSON(state)
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clientCtx = clientCtx.WithHeight(height)
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rest.PostProcessResponse(w, clientCtx, res)
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}
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}
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