0g-chain/x/cdp/client/rest/query.go
Kevin Davis 024001888c
Add query for cdp deposits (#346)
* feat: query cdp deposits

* feat: test querying deposits

* fix: update comment

* fix: use single word command
2020-01-28 14:08:17 -06:00

159 lines
4.7 KiB
Go

package rest
import (
"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/cdp/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// define routes that get registered by the main application
func registerQueryRoutes(cliCtx context.CLIContext, r *mux.Router) {
r.HandleFunc(fmt.Sprintf("/cdp/{%s}/{%s}", types.RestOwner, types.RestCollateralDenom), queryCdpHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/cdp/{%s}", types.RestCollateralDenom), queryCdpsHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/cdp/{%s}/ratio/{%s}", types.RestCollateralDenom, types.RestRatio), queryCdpsByRatioHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc(fmt.Sprintf("/cdp/deposits/{%s}/{%s}", types.RestOwner, types.RestCollateralDenom), queryCdpDepositsHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc("/cdps/params", getParamsHandlerFn(cliCtx)).Methods("GET")
}
func queryCdpHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
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, err.Error())
return
}
res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%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) {
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, err.Error())
return
}
res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%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) {
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, err.Error())
return
}
res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%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 queryCdpDepositsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
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, err.Error())
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) {
// Get the params
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
}
// Return the params
rest.PostProcessResponse(w, cliCtx, res)
}
}