326 lines
9.5 KiB
Go
326 lines
9.5 KiB
Go
package cli
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import (
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"fmt"
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"os"
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"github.com/spf13/cobra"
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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/client/tx"
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authclient "github.com/cosmos/cosmos-sdk/x/auth/client"
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)
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const (
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flagMultisig = "multisig"
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flagOverwrite = "overwrite"
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flagSigOnly = "signature-only"
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flagAmino = "amino"
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flagNoAutoIncrement = "no-auto-increment"
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)
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// GetSignBatchCommand returns the transaction sign-batch command.
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func GetSignBatchCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "sign-batch [file]",
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Short: "Sign transaction batch files",
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Long: `Sign batch files of transactions generated with --generate-only.
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The command processes list of transactions from file (one StdTx each line), generate
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signed transactions or signatures and print their JSON encoding, delimited by '\n'.
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As the signatures are generated, the command updates the account and sequence number accordingly.
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If the --signature-only flag is set, it will output the signature parts only.
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The --offline flag makes sure that the client will not reach out to full node.
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As a result, the account and the sequence number queries will not be performed and
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it is required to set such parameters manually. Note, invalid values will cause
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the transaction to fail. The sequence will be incremented automatically for each
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transaction that is signed.
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If --account-number or --sequence flag is used when offline=false, they are ignored and
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overwritten by the default flag values.
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The --multisig=<multisig_key> flag generates a signature on behalf of a multisig
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account key. It implies --signature-only.
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`,
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PreRun: preSignCmd,
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RunE: makeSignBatchCmd(),
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Args: cobra.ExactArgs(1),
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}
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cmd.Flags().String(flagMultisig, "", "Address or key name of the multisig account on behalf of which the transaction shall be signed")
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cmd.Flags().String(flags.FlagOutputDocument, "", "The document will be written to the given file instead of STDOUT")
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cmd.Flags().Bool(flagSigOnly, true, "Print only the generated signature, then exit")
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cmd.Flags().String(flags.FlagChainID, "", "network chain ID")
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cmd.MarkFlagRequired(flags.FlagFrom)
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flags.AddTxFlagsToCmd(cmd)
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return cmd
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}
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func makeSignBatchCmd() func(cmd *cobra.Command, args []string) error {
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return func(cmd *cobra.Command, args []string) error {
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clientCtx, err := client.GetClientTxContext(cmd)
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if err != nil {
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return err
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}
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txFactory := tx.NewFactoryCLI(clientCtx, cmd.Flags())
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txCfg := clientCtx.TxConfig
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printSignatureOnly, _ := cmd.Flags().GetBool(flagSigOnly)
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infile := os.Stdin
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ms, err := cmd.Flags().GetString(flagMultisig)
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if err != nil {
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return err
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}
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// prepare output document
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closeFunc, err := setOutputFile(cmd)
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if err != nil {
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return err
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}
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defer closeFunc()
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clientCtx.WithOutput(cmd.OutOrStdout())
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if args[0] != "-" {
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infile, err = os.Open(args[0])
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if err != nil {
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return err
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}
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}
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scanner := authclient.NewBatchScanner(txCfg, infile)
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if !clientCtx.Offline {
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txFactory = txFactory.WithAccountNumber(0).WithSequence(0)
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}
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for sequence := txFactory.Sequence(); scanner.Scan(); sequence++ {
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unsignedStdTx := scanner.Tx()
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txFactory = txFactory.WithSequence(sequence)
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txBuilder, err := txCfg.WrapTxBuilder(unsignedStdTx)
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if err != nil {
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return err
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}
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if ms == "" {
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from, _ := cmd.Flags().GetString(flags.FlagFrom)
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_, fromName, _, err := client.GetFromFields(txFactory.Keybase(), from, clientCtx.GenerateOnly)
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if err != nil {
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return fmt.Errorf("error getting account from keybase: %w", err)
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}
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err = authclient.SignTx(txFactory, clientCtx, fromName, txBuilder, true, true)
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if err != nil {
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return err
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}
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} else {
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multisigAddr, _, _, err := client.GetFromFields(txFactory.Keybase(), ms, clientCtx.GenerateOnly)
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if err != nil {
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return fmt.Errorf("error getting account from keybase: %w", err)
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}
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err = authclient.SignTxWithSignerAddress(
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txFactory, clientCtx, multisigAddr, clientCtx.GetFromName(), txBuilder, clientCtx.Offline, true)
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if err != nil {
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return err
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}
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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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json, err := marshalSignatureJSON(txCfg, txBuilder, printSignatureOnly)
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if err != nil {
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return err
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}
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cmd.Printf("%s\n", json)
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}
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if err := scanner.UnmarshalErr(); err != nil {
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return err
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}
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return scanner.UnmarshalErr()
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}
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}
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func setOutputFile(cmd *cobra.Command) (func(), error) {
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outputDoc, _ := cmd.Flags().GetString(flags.FlagOutputDocument)
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if outputDoc == "" {
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return func() {}, nil
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}
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fp, err := os.OpenFile(outputDoc, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
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if err != nil {
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return func() {}, err
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}
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cmd.SetOut(fp)
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return func() { fp.Close() }, nil
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}
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// GetSignCommand returns the transaction sign command.
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func GetSignCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "sign [file]",
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Short: "Sign a transaction generated offline",
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Long: `Sign a transaction created with the --generate-only flag.
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It will read a transaction from [file], sign it, and print its JSON encoding.
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If the --signature-only flag is set, it will output the signature parts only.
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The --offline flag makes sure that the client will not reach out to full node.
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As a result, the account and sequence number queries will not be performed and
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it is required to set such parameters manually. Note, invalid values will cause
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the transaction to fail.
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The --multisig=<multisig_key> flag generates a signature on behalf of a multisig account
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key. It implies --signature-only. Full multisig signed transactions may eventually
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be generated via the 'multisign' command.
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`,
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PreRun: preSignCmd,
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RunE: makeSignCmd(),
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Args: cobra.ExactArgs(1),
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}
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cmd.Flags().String(flagMultisig, "", "Address or key name of the multisig account on behalf of which the transaction shall be signed")
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cmd.Flags().Bool(flagOverwrite, false, "Overwrite existing signatures with a new one. If disabled, new signature will be appended")
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cmd.Flags().Bool(flagSigOnly, false, "Print only the signatures")
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cmd.Flags().String(flags.FlagOutputDocument, "", "The document will be written to the given file instead of STDOUT")
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cmd.Flags().String(flags.FlagChainID, "", "The network chain ID")
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cmd.Flags().Bool(flagAmino, false, "Generate Amino encoded JSON suitable for submiting to the txs REST endpoint")
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cmd.MarkFlagRequired(flags.FlagFrom)
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flags.AddTxFlagsToCmd(cmd)
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return cmd
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}
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func preSignCmd(cmd *cobra.Command, _ []string) {
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// Conditionally mark the account and sequence numbers required as no RPC
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// query will be done.
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if offline, _ := cmd.Flags().GetBool(flags.FlagOffline); offline {
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cmd.MarkFlagRequired(flags.FlagAccountNumber)
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cmd.MarkFlagRequired(flags.FlagSequence)
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}
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}
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func makeSignCmd() func(cmd *cobra.Command, args []string) error {
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return func(cmd *cobra.Command, args []string) (err error) {
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var clientCtx client.Context
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clientCtx, err = client.GetClientTxContext(cmd)
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if err != nil {
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return err
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}
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f := cmd.Flags()
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clientCtx, txF, newTx, err := readTxAndInitContexts(clientCtx, cmd, args[0])
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if err != nil {
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return err
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}
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txFactory := tx.NewFactoryCLI(clientCtx, cmd.Flags())
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txCfg := clientCtx.TxConfig
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txBuilder, err := txCfg.WrapTxBuilder(newTx)
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if err != nil {
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return err
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}
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printSignatureOnly, _ := cmd.Flags().GetBool(flagSigOnly)
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multisig, _ := cmd.Flags().GetString(flagMultisig)
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if err != nil {
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return err
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}
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from, _ := cmd.Flags().GetString(flags.FlagFrom)
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_, fromName, _, err := client.GetFromFields(txF.Keybase(), from, clientCtx.GenerateOnly)
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if err != nil {
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return fmt.Errorf("error getting account from keybase: %w", err)
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}
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overwrite, _ := f.GetBool(flagOverwrite)
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if multisig != "" {
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multisigAddr, _, _, err := client.GetFromFields(txFactory.Keybase(), multisig, clientCtx.GenerateOnly)
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if err != nil {
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return fmt.Errorf("error getting account from keybase: %w", err)
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}
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err = authclient.SignTxWithSignerAddress(
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txF, clientCtx, multisigAddr, fromName, txBuilder, clientCtx.Offline, overwrite)
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if err != nil {
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return err
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}
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printSignatureOnly = true
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} else {
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err = authclient.SignTx(txF, clientCtx, clientCtx.GetFromName(), txBuilder, clientCtx.Offline, overwrite)
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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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aminoJSON, err := f.GetBool(flagAmino)
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if err != nil {
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return err
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}
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bMode, err := f.GetString(flags.FlagBroadcastMode)
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if err != nil {
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return err
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}
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var json []byte
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if aminoJSON {
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stdTx, err := tx.ConvertTxToStdTx(clientCtx.LegacyAmino, txBuilder.GetTx())
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if err != nil {
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return err
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}
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req := BroadcastReq{
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Tx: stdTx,
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Mode: bMode,
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}
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json, err = clientCtx.LegacyAmino.MarshalJSON(req)
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if err != nil {
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return err
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}
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} else {
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json, err = marshalSignatureJSON(txCfg, txBuilder, printSignatureOnly)
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if err != nil {
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return err
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}
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}
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outputDoc, _ := cmd.Flags().GetString(flags.FlagOutputDocument)
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if outputDoc == "" {
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cmd.Printf("%s\n", json)
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return nil
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}
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fp, err := os.OpenFile(outputDoc, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
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if err != nil {
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return err
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}
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defer func() {
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err2 := fp.Close()
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if err == nil {
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err = err2
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}
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}()
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_, err = fp.Write(append(json, '\n'))
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return err
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}
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}
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func marshalSignatureJSON(txConfig client.TxConfig, txBldr client.TxBuilder, signatureOnly bool) ([]byte, error) {
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parsedTx := txBldr.GetTx()
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if signatureOnly {
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sigs, err := parsedTx.GetSignaturesV2()
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if err != nil {
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return nil, err
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}
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return txConfig.MarshalSignatureJSON(sigs)
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}
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return txConfig.TxJSONEncoder()(parsedTx)
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}
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