cosmos-sdk/x/auth/client/rest/broadcast.go

68 lines
2.2 KiB
Go

package rest
import (
"fmt"
"io/ioutil"
"net/http"
"github.com/cosmos/cosmos-sdk/client"
clientrest "github.com/cosmos/cosmos-sdk/client/rest"
"github.com/cosmos/cosmos-sdk/client/tx"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
"github.com/cosmos/cosmos-sdk/types/rest"
"github.com/cosmos/cosmos-sdk/x/auth/legacy/legacytx"
)
// BroadcastReq defines a tx broadcasting request.
type BroadcastReq struct {
Tx legacytx.StdTx `json:"tx" yaml:"tx"`
Mode string `json:"mode" yaml:"mode"`
}
var _ codectypes.UnpackInterfacesMessage = BroadcastReq{}
// UnpackInterfaces implements the UnpackInterfacesMessage interface.
func (m BroadcastReq) UnpackInterfaces(unpacker codectypes.AnyUnpacker) error {
return m.Tx.UnpackInterfaces(unpacker)
}
// BroadcastTxRequest implements a tx broadcasting handler that is responsible
// for broadcasting a valid and signed tx to a full node. The tx can be
// broadcasted via a sync|async|block mechanism.
func BroadcastTxRequest(clientCtx client.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req BroadcastReq
body, err := ioutil.ReadAll(r.Body)
if rest.CheckBadRequestError(w, err) {
return
}
// NOTE: amino is used intentionally here, don't migrate it!
err = clientCtx.LegacyAmino.UnmarshalJSON(body, &req)
if err != nil {
err := fmt.Errorf("this transaction cannot be broadcasted via legacy REST endpoints, because it does not support"+
" Amino serialization. Please either use CLI, gRPC, gRPC-gateway, or directly query the Tendermint RPC"+
" endpoint to broadcast this transaction. The new REST endpoint (via gRPC-gateway) is POST /cosmos/tx/v1beta1/txs."+
" Please also see the REST endpoints migration guide at %s for more info", clientrest.DeprecationURL)
if rest.CheckBadRequestError(w, err) {
return
}
}
txBytes, err := tx.ConvertAndEncodeStdTx(clientCtx.TxConfig, req.Tx)
if rest.CheckInternalServerError(w, err) {
return
}
clientCtx = clientCtx.WithBroadcastMode(req.Mode)
res, err := clientCtx.BroadcastTx(txBytes)
if rest.CheckInternalServerError(w, err) {
return
}
rest.PostProcessResponseBare(w, clientCtx, res)
}
}