package lcd import ( "encoding/base64" "encoding/json" "net/http" "github.com/cosmos/cosmos-sdk/client/context" "github.com/cosmos/cosmos-sdk/wire" "github.com/cosmos/cosmos-sdk/x/auth" ) type txBody struct { TxBase64 string `json:"txbase64"` } // Decode a tx from base64 into json func DecodeTxRequestHandlerFn(cliCtx context.CLIContext, cdc *wire.Codec) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { // get the input base64 string var m txBody decoder := json.NewDecoder(r.Body) err := decoder.Decode(&m) if err != nil { w.WriteHeader(400) w.Write([]byte(err.Error())) return } // convert from base64 string to bytes txBytes, err := base64.StdEncoding.DecodeString(m.TxBase64) if err != nil { w.WriteHeader(400) w.Write([]byte(err.Error())) return } // convert bytes to Tx struct var tx auth.StdTx err = cdc.UnmarshalBinary(txBytes, &tx) if err != nil { w.WriteHeader(400) w.Write([]byte(err.Error())) return } // convert Tx struct to json (bytes) and return output, err := cdc.MarshalJSON(tx) if err != nil { w.WriteHeader(500) w.Write([]byte(err.Error())) return } w.Write(output) } }