97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
package tx
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import (
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"net/http"
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"strings"
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"github.com/spf13/cobra"
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amino "github.com/tendermint/go-amino"
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"github.com/cosmos/cosmos-sdk/types/rest"
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"github.com/cosmos/cosmos-sdk/x/auth"
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"io/ioutil"
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"github.com/cosmos/cosmos-sdk/client/context"
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"github.com/cosmos/cosmos-sdk/client/flags"
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"github.com/cosmos/cosmos-sdk/client/utils"
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"github.com/cosmos/cosmos-sdk/codec"
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)
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// BroadcastReq defines a tx broadcasting request.
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type BroadcastReq struct {
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Tx auth.StdTx `json:"tx"`
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Mode string `json:"mode"`
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}
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// BroadcastTxRequest implements a tx broadcasting handler that is responsible
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// for broadcasting a valid and signed tx to a full node. The tx can be
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// broadcasted via a sync|async|block mechanism.
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func BroadcastTxRequest(cliCtx context.CLIContext, cdc *codec.Codec) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var req BroadcastReq
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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err = cdc.UnmarshalJSON(body, &req)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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txBytes, err := cdc.MarshalBinaryLengthPrefixed(req.Tx)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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cliCtx = cliCtx.WithBroadcastMode(req.Mode)
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res, err := cliCtx.BroadcastTx(txBytes)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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rest.PostProcessResponse(w, cdc, res, cliCtx.Indent)
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}
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}
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// GetBroadcastCommand returns the tx broadcast command.
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func GetBroadcastCommand(codec *amino.Codec) *cobra.Command {
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cmd := &cobra.Command{
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Use: "broadcast [file_path]",
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Short: "Broadcast transactions generated offline",
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Long: strings.TrimSpace(`Broadcast transactions created with the --generate-only
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flag and signed with the sign command. Read a transaction from [file_path] and
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broadcast it to a node. If you supply a dash (-) argument in place of an input
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filename, the command reads from standard input.
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$ <appcli> tx broadcast ./mytxn.json
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`),
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Args: cobra.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) (err error) {
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cliCtx := context.NewCLIContext().WithCodec(codec)
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stdTx, err := utils.ReadStdTxFromFile(cliCtx.Codec, args[0])
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if err != nil {
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return
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}
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txBytes, err := cliCtx.Codec.MarshalBinaryLengthPrefixed(stdTx)
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if err != nil {
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return
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}
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res, err := cliCtx.BroadcastTx(txBytes)
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cliCtx.PrintOutput(res) // nolint:errcheck
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return err
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},
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}
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return flags.PostCommands(cmd)[0]
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}
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