92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
package cli
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
|
|
"github.com/spf13/viper"
|
|
|
|
"github.com/cosmos/cosmos-sdk/client"
|
|
"github.com/cosmos/cosmos-sdk/client/context"
|
|
"github.com/cosmos/cosmos-sdk/client/utils"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
"github.com/cosmos/cosmos-sdk/x/auth"
|
|
authtxb "github.com/cosmos/cosmos-sdk/x/auth/client/txbuilder"
|
|
"github.com/spf13/cobra"
|
|
amino "github.com/tendermint/go-amino"
|
|
)
|
|
|
|
const (
|
|
flagAppend = "append"
|
|
flagPrintSigs = "print-sigs"
|
|
)
|
|
|
|
// GetSignCommand returns the sign command
|
|
func GetSignCommand(codec *amino.Codec, decoder auth.AccountDecoder) *cobra.Command {
|
|
cmd := &cobra.Command{
|
|
Use: "sign <file>",
|
|
Short: "Sign transactions generated offline",
|
|
Long: `Sign transactions created with the --generate-only flag.
|
|
Read a transaction from <file>, sign it, and print its JSON encoding.`,
|
|
RunE: makeSignCmd(codec, decoder),
|
|
Args: cobra.ExactArgs(1),
|
|
}
|
|
cmd.Flags().String(client.FlagName, "", "Name of private key with which to sign")
|
|
cmd.Flags().Bool(flagAppend, true, "Append the signature to the existing ones. If disabled, old signatures would be overwritten")
|
|
cmd.Flags().Bool(flagPrintSigs, false, "Print the addresses that must sign the transaction and those who have already signed it, then exit")
|
|
return cmd
|
|
}
|
|
|
|
func makeSignCmd(cdc *amino.Codec, decoder auth.AccountDecoder) func(cmd *cobra.Command, args []string) error {
|
|
return func(cmd *cobra.Command, args []string) (err error) {
|
|
stdTx, err := readAndUnmarshalStdTx(cdc, args[0])
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if viper.GetBool(flagPrintSigs) {
|
|
printSignatures(stdTx)
|
|
return nil
|
|
}
|
|
|
|
name := viper.GetString(client.FlagName)
|
|
cliCtx := context.NewCLIContext().WithCodec(cdc).WithAccountDecoder(decoder)
|
|
txBldr := authtxb.NewTxBuilderFromCLI()
|
|
|
|
newTx, err := utils.SignStdTx(txBldr, cliCtx, name, stdTx, viper.GetBool(flagAppend))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
json, err := cdc.MarshalJSON(newTx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
fmt.Printf("%s\n", json)
|
|
return
|
|
}
|
|
}
|
|
|
|
func printSignatures(stdTx auth.StdTx) {
|
|
fmt.Println("Signers:")
|
|
for i, signer := range stdTx.GetSigners() {
|
|
fmt.Printf(" %v: %v\n", i, signer.String())
|
|
}
|
|
fmt.Println("")
|
|
fmt.Println("Signatures:")
|
|
for i, sig := range stdTx.GetSignatures() {
|
|
fmt.Printf(" %v: %v\n", i, sdk.AccAddress(sig.Address()).String())
|
|
}
|
|
return
|
|
}
|
|
|
|
func readAndUnmarshalStdTx(cdc *amino.Codec, filename string) (stdTx auth.StdTx, err error) {
|
|
var bytes []byte
|
|
if bytes, err = ioutil.ReadFile(filename); err != nil {
|
|
return
|
|
}
|
|
if err = cdc.UnmarshalJSON(bytes, &stdTx); err != nil {
|
|
return
|
|
}
|
|
return
|
|
}
|