51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
package rest
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"io/ioutil"
|
|
"net/http"
|
|
|
|
"github.com/cosmos/cosmos-sdk/client/context"
|
|
"github.com/cosmos/cosmos-sdk/types/rest"
|
|
"github.com/cosmos/cosmos-sdk/x/auth/types"
|
|
)
|
|
|
|
// EncodeResp defines a tx encoding response.
|
|
type EncodeResp struct {
|
|
Tx string `json:"tx" yaml:"tx"`
|
|
}
|
|
|
|
// EncodeTxRequestHandlerFn returns the encode tx REST handler. In particular,
|
|
// it takes a json-formatted transaction, encodes it to the Amino wire protocol,
|
|
// and responds with base64-encoded bytes.
|
|
func EncodeTxRequestHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
var req types.StdTx
|
|
|
|
body, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
|
|
return
|
|
}
|
|
|
|
err = cliCtx.Codec.UnmarshalJSON(body, &req)
|
|
if err != nil {
|
|
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
|
|
return
|
|
}
|
|
|
|
// re-encode it via the Amino wire protocol
|
|
txBytes, err := cliCtx.Codec.MarshalBinaryLengthPrefixed(req)
|
|
if err != nil {
|
|
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
|
|
return
|
|
}
|
|
|
|
// base64 encode the encoded tx bytes
|
|
txBytesBase64 := base64.StdEncoding.EncodeToString(txBytes)
|
|
|
|
response := EncodeResp{Tx: txBytesBase64}
|
|
rest.PostProcessResponseBare(w, cliCtx, response)
|
|
}
|
|
}
|