0g-chain/x/pricefeed/client/rest/tx.go
2020-05-29 16:07:34 -04:00

72 lines
1.9 KiB
Go

package rest
import (
"fmt"
"net/http"
"strconv"
"time"
"github.com/cosmos/cosmos-sdk/client/context"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/rest"
"github.com/cosmos/cosmos-sdk/x/auth/client/utils"
"github.com/gorilla/mux"
tmtime "github.com/tendermint/tendermint/types/time"
"github.com/kava-labs/kava/x/pricefeed/types"
)
func registerTxRoutes(cliCtx context.CLIContext, r *mux.Router) {
r.HandleFunc(fmt.Sprintf("/%s/postprice", types.ModuleName), postPriceHandlerFn(cliCtx)).Methods("POST")
}
func postPriceHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req PostPriceReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) {
rest.WriteErrorResponse(w, http.StatusBadRequest, "failed to parse request")
return
}
baseReq := req.BaseReq.Sanitize()
if !baseReq.ValidateBasic(w) {
return
}
addr, err := sdk.AccAddressFromBech32(baseReq.From)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
price, err := sdk.NewDecFromStr(req.Price)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
expiryInt, err := strconv.ParseInt(req.Expiry, 10, 64)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("invalid expiry %s: %s", req.Expiry, err))
return
}
if expiryInt > types.MaxExpiry {
rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("invalid expiry; got %d, max: %d", expiryInt, types.MaxExpiry))
return
}
expiry := tmtime.Canonical(time.Unix(expiryInt, 0))
msg := types.NewMsgPostPrice(addr, req.MarketID, price, expiry)
if err = msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, baseReq, []sdk.Msg{msg})
}
}