55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package cli
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import (
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"encoding/base64"
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"encoding/hex"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/client/flags"
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"github.com/cosmos/cosmos-sdk/codec"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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)
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const flagHex = "hex"
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// GetDecodeCommand returns the decode command to take Amino-serialized bytes
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// and turn it into a JSONified transaction.
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func GetDecodeCommand(codec *codec.Codec) *cobra.Command {
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cmd := &cobra.Command{
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Use: "decode [amino-byte-string]",
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Short: "Decode an amino-encoded transaction string.",
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Args: cobra.ExactArgs(1),
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RunE: runDecodeTxString(codec),
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}
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cmd.Flags().BoolP(flagHex, "x", false, "Treat input as hexadecimal instead of base64")
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return flags.PostCommands(cmd)[0]
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}
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func runDecodeTxString(codec *codec.Codec) func(cmd *cobra.Command, args []string) (err error) {
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return func(cmd *cobra.Command, args []string) (err error) {
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clientCtx := client.NewContext().WithCodec(codec).WithOutput(cmd.OutOrStdout())
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var txBytes []byte
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if viper.GetBool(flagHex) {
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txBytes, err = hex.DecodeString(args[0])
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} else {
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txBytes, err = base64.StdEncoding.DecodeString(args[0])
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}
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if err != nil {
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return err
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}
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var stdTx authtypes.StdTx
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err = clientCtx.Codec.UnmarshalBinaryBare(txBytes, &stdTx)
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if err != nil {
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return err
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}
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return clientCtx.PrintOutput(stdTx)
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}
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}
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