package rest import ( "fmt" "net/http" "github.com/cosmos/cosmos-sdk/client/context" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/cosmos/cosmos-sdk/types/rest" "github.com/gorilla/mux" "github.com/kava-labs/kava/x/cdp/types" ) // define routes that get registered by the main application func registerQueryRoutes(cliCtx context.CLIContext, r *mux.Router) { r.HandleFunc("/cdp/parameters", getParamsHandlerFn(cliCtx)).Methods("GET") r.HandleFunc(fmt.Sprintf("/cdp/cdps/cdp/{%s}/{%s}", types.RestOwner, types.RestCollateralDenom), queryCdpHandlerFn(cliCtx)).Methods("GET") r.HandleFunc(fmt.Sprintf("/cdp/cdps/denom/{%s}", types.RestCollateralDenom), queryCdpsHandlerFn(cliCtx)).Methods("GET") r.HandleFunc(fmt.Sprintf("/cdp/cdps/ratio/{%s}/{%s}", types.RestCollateralDenom, types.RestRatio), queryCdpsByRatioHandlerFn(cliCtx)).Methods("GET") r.HandleFunc(fmt.Sprintf("/cdp/cdps/cdp/deposits/{%s}/{%s}", types.RestOwner, types.RestCollateralDenom), queryCdpDepositsHandlerFn(cliCtx)).Methods("GET") } func queryCdpHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r) if !ok { return } vars := mux.Vars(r) ownerBech32 := vars[types.RestOwner] collateralDenom := vars[types.RestCollateralDenom] owner, err := sdk.AccAddressFromBech32(ownerBech32) if err != nil { rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) return } params := types.NewQueryCdpParams(owner, collateralDenom) 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/cdp/%s", types.QueryGetCdp), bz) if err != nil { rest.WriteErrorResponse(w, http.StatusNotFound, err.Error()) return } cliCtx = cliCtx.WithHeight(height) rest.PostProcessResponse(w, cliCtx, res) } } func queryCdpsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r) if !ok { return } vars := mux.Vars(r) collateralDenom := vars[types.RestCollateralDenom] params := types.NewQueryCdpsParams(collateralDenom) 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/cdp/%s", types.QueryGetCdps), bz) if err != nil { rest.WriteErrorResponse(w, http.StatusNotFound, err.Error()) return } cliCtx = cliCtx.WithHeight(height) rest.PostProcessResponse(w, cliCtx, res) } } func queryCdpsByRatioHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r) if !ok { return } vars := mux.Vars(r) collateralDenom := vars[types.RestCollateralDenom] ratioStr := vars[types.RestRatio] ratioDec, sdkError := sdk.NewDecFromStr(ratioStr) if sdkError != nil { rest.WriteErrorResponse(w, http.StatusBadRequest, sdkError.Error()) return } params := types.NewQueryCdpsByRatioParams(collateralDenom, ratioDec) 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/cdp/%s", types.QueryGetCdpsByCollateralization), bz) if err != nil { rest.WriteErrorResponse(w, http.StatusNotFound, err.Error()) return } cliCtx = cliCtx.WithHeight(height) rest.PostProcessResponse(w, cliCtx, res) } } func queryCdpDepositsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r) if !ok { return } vars := mux.Vars(r) ownerBech32 := vars[types.RestOwner] collateralDenom := vars[types.RestCollateralDenom] owner, err := sdk.AccAddressFromBech32(ownerBech32) if err != nil { rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) return } params := types.NewQueryCdpDeposits(owner, collateralDenom) 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/cdp/%s", types.QueryGetCdpDeposits), bz) if err != nil { rest.WriteErrorResponse(w, http.StatusNotFound, err.Error()) return } cliCtx = cliCtx.WithHeight(height) rest.PostProcessResponse(w, cliCtx, res) } } func getParamsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r) if !ok { return } res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/cdp/%s", types.QueryGetParams), nil) cliCtx = cliCtx.WithHeight(height) if err != nil { rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error()) return } rest.PostProcessResponse(w, cliCtx, res) } }