cosmos-sdk/client/tx/broadcast.go

package tx

import (
	"encoding/json"
	"net/http"

	"github.com/cosmos/cosmos-sdk/client/context"
)

// Tx Broadcast Body
type BroadcastTxBody struct {
	TxBytes string `json:"tx"`
}

// BroadcastTx REST Handler
func BroadcastTxRequestHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		var m BroadcastTxBody

		decoder := json.NewDecoder(r.Body)
		err := decoder.Decode(&m)
		if err != nil {
			w.WriteHeader(400)
			w.Write([]byte(err.Error()))
			return
		}

		res, err := cliCtx.BroadcastTx([]byte(m.TxBytes))
		if err != nil {
			w.WriteHeader(500)
			w.Write([]byte(err.Error()))
			return
		}

		w.Write([]byte(string(res.Height)))
	}
}