119 lines
3.0 KiB
Go
119 lines
3.0 KiB
Go
package rest
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import (
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"fmt"
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"net/http"
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"github.com/gorilla/mux"
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"github.com/cosmos/cosmos-sdk/client"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/rest"
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"github.com/cosmos/cosmos-sdk/x/bank/types"
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)
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// QueryBalancesRequestHandlerFn returns a REST handler that queries for all
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// account balances or a specific balance by denomination.
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func QueryBalancesRequestHandlerFn(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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vars := mux.Vars(r)
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bech32addr := vars["address"]
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addr, err := sdk.AccAddressFromBech32(bech32addr)
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if rest.CheckInternalServerError(w, err) {
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return
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}
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ctx, 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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var (
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params interface{}
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route string
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)
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denom := r.FormValue("denom")
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if denom == "" {
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params = types.NewQueryAllBalancesRequest(addr, nil)
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route = fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryAllBalances)
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} else {
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params = types.NewQueryBalanceRequest(addr, denom)
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route = fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryBalance)
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}
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bz, err := ctx.LegacyAmino.MarshalJSON(params)
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if rest.CheckBadRequestError(w, err) {
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return
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}
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res, height, err := ctx.QueryWithData(route, bz)
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if rest.CheckInternalServerError(w, err) {
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return
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}
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ctx = ctx.WithHeight(height)
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rest.PostProcessResponse(w, ctx, res)
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}
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}
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// HTTP request handler to query the total supply of coins
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func totalSupplyHandlerFn(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 rest.CheckBadRequestError(w, err) {
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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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params := types.NewQueryTotalSupplyParams(page, limit)
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bz, err := clientCtx.LegacyAmino.MarshalJSON(params)
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if rest.CheckBadRequestError(w, err) {
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return
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}
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res, height, err := clientCtx.QueryWithData(fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QueryTotalSupply), bz)
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if rest.CheckInternalServerError(w, err) {
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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, res)
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}
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}
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// HTTP request handler to query the supply of a single denom
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func supplyOfHandlerFn(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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denom := mux.Vars(r)["denom"]
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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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params := types.NewQuerySupplyOfParams(denom)
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bz, err := clientCtx.LegacyAmino.MarshalJSON(params)
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if rest.CheckBadRequestError(w, err) {
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return
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}
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res, height, err := clientCtx.QueryWithData(fmt.Sprintf("custom/%s/%s", types.QuerierRoute, types.QuerySupplyOf), bz)
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if rest.CheckInternalServerError(w, err) {
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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, res)
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}
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}
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