47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
package rest
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"net/http"
|
|
|
|
"github.com/cosmos/cosmos-sdk/client/context"
|
|
"github.com/cosmos/cosmos-sdk/client/rest"
|
|
"github.com/cosmos/cosmos-sdk/codec"
|
|
"github.com/cosmos/cosmos-sdk/x/auth"
|
|
)
|
|
|
|
type encodeReq struct {
|
|
Tx auth.StdTx `json:"tx"`
|
|
}
|
|
|
|
type encodeResp struct {
|
|
Tx string `json:"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(cdc *codec.Codec, cliCtx context.CLIContext) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
var m encodeReq
|
|
// Decode the transaction from JSON
|
|
if ok := unmarshalBodyOrReturnBadRequest(cliCtx, w, r, &m); !ok {
|
|
return
|
|
}
|
|
|
|
// Re-encode it to the wire protocol
|
|
txBytes, err := cliCtx.Codec.MarshalBinaryLengthPrefixed(m.Tx)
|
|
if err != nil {
|
|
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
|
|
return
|
|
}
|
|
|
|
// Encode the bytes to base64
|
|
txBytesBase64 := base64.StdEncoding.EncodeToString(txBytes)
|
|
|
|
// Write it back
|
|
response := encodeResp{Tx: txBytesBase64}
|
|
rest.PostProcessResponse(w, cdc, response, cliCtx.Indent)
|
|
}
|
|
}
|