237 lines
7.6 KiB
Go
237 lines
7.6 KiB
Go
package main
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import (
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"bufio"
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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tmos "github.com/tendermint/tendermint/libs/os"
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tmtypes "github.com/tendermint/tendermint/types"
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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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"github.com/cosmos/cosmos-sdk/server"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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"github.com/cosmos/cosmos-sdk/version"
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authclient "github.com/cosmos/cosmos-sdk/x/auth/client"
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"github.com/cosmos/cosmos-sdk/x/genutil"
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"github.com/cosmos/cosmos-sdk/x/genutil/types"
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"github.com/cosmos/cosmos-sdk/x/staking/client/cli"
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"github.com/cosmos/cosmos-sdk/crypto/keyring"
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)
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// GenTxCmd builds the application's gentx command.
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func GenTxCmd(mbm module.BasicManager, txEncCfg client.TxEncodingConfig, genBalIterator types.GenesisBalancesIterator, defaultNodeHome string) *cobra.Command {
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ipDefault, _ := server.ExternalIP()
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fsCreateValidator, defaultsDesc := cli.CreateValidatorMsgFlagSet(ipDefault)
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cmd := &cobra.Command{
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Use: "gentx [key_name]",
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Short: "Generate a genesis tx carrying a self delegation",
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Args: cobra.ExactArgs(1),
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Long: fmt.Sprintf(`Generate a genesis transaction that creates a validator with a self-delegation,
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that is signed by the key in the Keyring referenced by a given name. A node ID and Bech32 consensus
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pubkey may optionally be provided. If they are omitted, they will be retrieved from the priv_validator.json
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file. The following default parameters are included:
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%s
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Example:
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$ %s gentx my-key-name --home=/path/to/home/dir --keyring-backend=os --chain-id=test-chain-1 \
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--amount=1000000stake \
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--moniker="myvalidator" \
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--commission-max-change-rate=0.01 \
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--commission-max-rate=1.0 \
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--commission-rate=0.07 \
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--details="..." \
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--security-contact="..." \
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--website="..."
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`, defaultsDesc, version.AppName,
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),
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RunE: func(cmd *cobra.Command, args []string) error {
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serverCtx := server.GetServerContextFromCmd(cmd)
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clientCtx := client.GetClientContextFromCmd(cmd)
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cdc := clientCtx.JSONMarshaler
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config := serverCtx.Config
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config.SetRoot(clientCtx.HomeDir)
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nodeID, valPubKey, err := genutil.InitializeNodeValidatorFiles(serverCtx.Config)
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if err != nil {
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return errors.Wrap(err, "failed to initialize node validator files")
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}
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// read --nodeID, if empty take it from priv_validator.json
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if nodeIDString, _ := cmd.Flags().GetString(cli.FlagNodeID); nodeIDString != "" {
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nodeID = nodeIDString
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}
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// read --pubkey, if empty take it from priv_validator.json
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if valPubKeyString, _ := cmd.Flags().GetString(cli.FlagPubKey); valPubKeyString != "" {
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valPubKey, err = sdk.GetPubKeyFromBech32(sdk.Bech32PubKeyTypeConsPub, valPubKeyString)
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if err != nil {
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return errors.Wrap(err, "failed to get consensus node public key")
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}
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}
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genDoc, err := tmtypes.GenesisDocFromFile(config.GenesisFile())
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if err != nil {
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return errors.Wrapf(err, "failed to read genesis doc file %s", config.GenesisFile())
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}
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var genesisState map[string]json.RawMessage
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if err = json.Unmarshal(genDoc.AppState, &genesisState); err != nil {
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return errors.Wrap(err, "failed to unmarshal genesis state")
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}
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if err = mbm.ValidateGenesis(cdc, txEncCfg, genesisState); err != nil {
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return errors.Wrap(err, "failed to validate genesis state")
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}
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inBuf := bufio.NewReader(cmd.InOrStdin())
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name := args[0]
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key, err := clientCtx.Keyring.Key(name)
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if err != nil {
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return errors.Wrapf(err, "failed to fetch '%s' from the keyring", name)
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}
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moniker := config.Moniker
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if m, _ := cmd.Flags().GetString(cli.FlagMoniker); m != "" {
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moniker = m
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}
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// set flags for creating a gentx
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createValCfg, err := cli.PrepareConfigForTxCreateValidator(cmd.Flags(), moniker, nodeID, genDoc.ChainID, valPubKey)
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if err != nil {
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return errors.Wrap(err, "error creating configuration to create validator msg")
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}
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amount, _ := cmd.Flags().GetString(cli.FlagAmount)
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coins, err := sdk.ParseCoinsNormalized(amount)
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if err != nil {
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return errors.Wrap(err, "failed to parse coins")
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}
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err = genutil.ValidateAccountInGenesis(genesisState, genBalIterator, key.GetAddress(), coins, cdc)
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if err != nil {
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return errors.Wrap(err, "failed to validate account in genesis")
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}
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txFactory := tx.NewFactoryCLI(clientCtx, cmd.Flags())
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if err != nil {
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return errors.Wrap(err, "error creating tx builder")
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}
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clientCtx = clientCtx.WithInput(inBuf).WithFromAddress(key.GetAddress())
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// create a 'create-validator' message
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txBldr, msg, err := cli.BuildCreateValidatorMsg(clientCtx, createValCfg, txFactory, true)
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if err != nil {
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return errors.Wrap(err, "failed to build create-validator message")
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}
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if key.GetType() == keyring.TypeOffline || key.GetType() == keyring.TypeMulti {
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cmd.PrintErrln("Offline key passed in. Use `tx sign` command to sign.")
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return authclient.PrintUnsignedStdTx(txBldr, clientCtx, []sdk.Msg{msg})
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}
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// write the unsigned transaction to the buffer
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w := bytes.NewBuffer([]byte{})
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clientCtx = clientCtx.WithOutput(w)
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if err = authclient.PrintUnsignedStdTx(txBldr, clientCtx, []sdk.Msg{msg}); err != nil {
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return errors.Wrap(err, "failed to print unsigned std tx")
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}
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// read the transaction
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stdTx, err := readUnsignedGenTxFile(clientCtx, w)
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if err != nil {
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return errors.Wrap(err, "failed to read unsigned gen tx file")
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}
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// sign the transaction and write it to the output file
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txBuilder, err := clientCtx.TxConfig.WrapTxBuilder(stdTx)
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if err != nil {
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return fmt.Errorf("error creating tx builder: %w", err)
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}
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err = authclient.SignTx(txFactory, clientCtx, name, txBuilder, true, true)
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if err != nil {
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return errors.Wrap(err, "failed to sign std tx")
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}
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outputDocument, _ := cmd.Flags().GetString(flags.FlagOutputDocument)
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if outputDocument == "" {
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outputDocument, err = makeOutputFilepath(config.RootDir, nodeID)
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if err != nil {
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return errors.Wrap(err, "failed to create output file path")
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}
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}
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if err := writeSignedGenTx(clientCtx, outputDocument, stdTx); err != nil {
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return errors.Wrap(err, "failed to write signed gen tx")
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}
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cmd.PrintErrf("Genesis transaction written to %q\n", outputDocument)
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return nil
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},
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}
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cmd.Flags().String(flags.FlagHome, defaultNodeHome, "The application home directory")
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cmd.Flags().String(flags.FlagOutputDocument, "", "Write the genesis transaction JSON document to the given file instead of the default location")
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cmd.Flags().String(flags.FlagChainID, "", "The network chain ID")
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cmd.Flags().AddFlagSet(fsCreateValidator)
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return cmd
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}
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func makeOutputFilepath(rootDir, nodeID string) (string, error) {
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writePath := filepath.Join(rootDir, "config", "gentx")
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if err := tmos.EnsureDir(writePath, 0700); err != nil {
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return "", err
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}
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return filepath.Join(writePath, fmt.Sprintf("gentx-%v.json", nodeID)), nil
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}
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func readUnsignedGenTxFile(clientCtx client.Context, r io.Reader) (sdk.Tx, error) {
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bz, err := ioutil.ReadAll(r)
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if err != nil {
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return nil, err
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}
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aTx, err := clientCtx.TxConfig.TxJSONDecoder()(bz)
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if err != nil {
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return nil, err
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}
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return aTx, err
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}
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func writeSignedGenTx(clientCtx client.Context, outputDocument string, tx sdk.Tx) error {
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outputFile, err := os.OpenFile(outputDocument, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0644)
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if err != nil {
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return err
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}
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defer outputFile.Close()
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json, err := clientCtx.TxConfig.TxJSONEncoder()(tx)
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if err != nil {
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return err
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}
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_, err = fmt.Fprintf(outputFile, "%s\n", json)
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return err
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}
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