60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
package cli
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import (
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"io/ioutil"
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"os"
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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/client"
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"github.com/cosmos/cosmos-sdk/client/context"
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"github.com/cosmos/cosmos-sdk/x/auth"
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)
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// GetSignCommand returns the sign 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>",
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Short: "Broadcast transactions generated offline",
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Long: `Broadcast transactions created with the --generate-only flag and signed with the sign command.
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Read a transaction from <file> and broadcast it to a node. If you supply a dash (-) argument
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in place of an input filename, the command reads from standard input.`,
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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 := readAndUnmarshalStdTx(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)
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return err
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},
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}
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return client.PostCommands(cmd)[0]
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}
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func readAndUnmarshalStdTx(cdc *amino.Codec, filename string) (stdTx auth.StdTx, err error) {
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var bytes []byte
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if filename == "-" {
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bytes, err = ioutil.ReadAll(os.Stdin)
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} else {
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bytes, err = ioutil.ReadFile(filename)
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}
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if err != nil {
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return
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}
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if err = cdc.UnmarshalJSON(bytes, &stdTx); err != nil {
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return
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}
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return
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}
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