0g-chain/app/_simulate_tx.go
Ruaridh ffef832d45
Upgrade to sdk v0.44.5 and add IBC (#1106)
- Upgrade cosmos-sdk to v0.44.5 from v0.39.2
- Add Legacy Tx Endpoint for backwards compatibility
- Add IBC v1.2.3 Support

Co-authored-by: DracoLi <draco@dracoli.com>
Co-authored-by: drklee3 <derrick@dlee.dev>
Co-authored-by: denalimarsh <denalimarsh@gmail.com>
Co-authored-by: Draco Li <draco@kava.io>
Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>
Co-authored-by: Denali Marsh <denali@kava.io>
2022-01-07 17:39:27 -07:00

65 lines
1.7 KiB
Go

package app
import (
"net/http"
"github.com/gorilla/mux"
"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"
)
// SimulateRequest represents attributes of a tx that will be simulated
type SimulateRequest struct {
Msgs []sdk.Msg `json:"msgs"`
Fee auth.StdFee `json:"fee"`
Memo string `json:"memo"`
}
// RegisterSimulateRoutes registers a tx simulate route to a mux router with
// a provided cli context
func RegisterSimulateRoutes(cliCtx context.CLIContext, r *mux.Router) {
r.HandleFunc("/tx/simulate", postAppSimulateHandlerFn(cliCtx)).Methods("POST")
}
// postAppSimulateHandlerFn handles tx simulate requests and returns the height and
// output of the simulation
func postAppSimulateHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req SimulateRequest
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) {
return
}
tx := auth.NewStdTx(
req.Msgs,
req.Fee,
[]auth.StdSignature{{}},
req.Memo,
)
txBz, err := cliCtx.Codec.MarshalBinaryLengthPrefixed(tx)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
bz, height, err := cliCtx.QueryWithData("/app/simulate", txBz)
cliCtx = cliCtx.WithHeight(height)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
var simRes sdk.SimulationResponse
if err := cliCtx.Codec.UnmarshalBinaryBare(bz, &simRes); err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
rest.PostProcessResponse(w, cliCtx, simRes)
}
}